Zabbix before 5.0 represents passwords in the users table with unsalted MD5.
Created zabbix tracking bugs for this issue:
Affects: epel-all [bug 1781831]
Affects: fedora-all [bug 1781830]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.